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Jane wants to know if it's WhatApp or WhatsApp. Leo says there's an "S," so it's WhatsApp. A clever way of saying "what's up?"

Jane is thinking of getting her first smart phone so she can use WhatsApp to make phone calls. Leo says that WhatsApp identifies users by their phone numbers, not their names. So when people ask to use WhatsApp to make a call, that means they want not only their phone number, but also their contact list. Facebook is doing that to cross reference contacts with Facebook contacts, but you can opt out of it when you sign up.

Susan is worried that her boss at work can see her Facebook posts so she's changed her settings to friends only. Is that safe enough? Leo says that will work, however, Facebook does make mistakes and they do from time to time reset privacy settings without warning. Even Mark Zuckerberg's personal posts were outed by a glitch a few months back. So it's best to always consider a post she makes on social media to be out in the open.

See wants to create an online dating site, but is low on cash. Leo says that See could probably find someone who would be able to build the site for a piece of the pie. The problem is that he could end up with a situation like the Winklevoss Twins, who teamed up with Mark Zuckerberg, who then took the idea for Facebook and made it work without them. Ideas are really a dime a dozen, and most venture capitalists invest in the business plan, the people behind it, and not the idea itself.

Using Facebook on a public computer, or even on a friend's computer, can be risky. Facebook stores a cookie in the browser that enables the user to get into the site without actually logging in. This would make it possible for someone else to easily gain access to your account. Instead of avoiding Facebook entirely, there is a way you can still use it and prevent someone else from being able to get in — by using a one-time password.

Rick has discovered that people are logging into his Facebook account without his knowledge or consent. Leo says he should change his password immediately and turn on 2-factor authentication. It will prevent another computer from logging into his account, even if they have the password. Facebook also stores a cookie in the browser that will enable him to open Facebook without logging in. So he shouldn't use Facebook on a public computer.

Known as Facebook Spaces, this new virtual meeting place/world enables you to use your Oculus Rift to interact with others around the world through your avatar, as if you're in the same room. Leo says it's buggy, but it's a beginning. You can share video or pictures, and add images to your world so it becomes part of the background. It's interesting. Maybe even intriguing. But Leo says you wouldn't want to live there.

According to a new study, social media is making us miserable as we compare our lives to those posting online. Leo suggests trying to search the beginning of a phrase in Google, such as "I always," and Google will finish the phrase using search data from other people. You'll immediately find out that everyone else's lives are not as glamorous as they seem on social media.

Doctor Mom has been drafted into running the social media for a medical journal group she's a part of. How can she get started? Leo says that social media is of great value, but to be effective, it needs to be staffed because it takes a lot of time. Doctor Mom seems to be it, though. She also has to do a podcast aimed at who they want to reach. How can she get her podcast on TuneIn? Leo says that everyone listens to podcasts on their phone these days and most will use the app they already have. Leo says it could be an uphill battle to get on TuneIn.